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Added linphone_core_take_preview_snapshot method

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This commit is contained in:
Sylvain Berfini 2016-04-13 19:43:39 +02:00
parent 6f48b4151c
commit 9eacaae8a6
3 changed files with 47 additions and 1 deletions
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37
coreapi/linphonecore.c
View file

@ -38,6 +38,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#include "mediastreamer2/msvolume.h"
#include "mediastreamer2/msequalizer.h"
#include "mediastreamer2/dtmfgen.h"
#include "mediastreamer2/msjpegwriter.h"
#ifdef INET6
#ifndef _WIN32
@ -5356,6 +5357,42 @@ void linphone_core_migrate_logs_from_rc_to_db(LinphoneCore *lc) {
* Video related functions *
******************************************************************************/
static void snapshot_taken(void *userdata, struct _MSFilter *f, unsigned int id, void *arg) {
if (id == MS_JPEG_WRITER_SNAPSHOT_TAKEN) {
LinphoneCore *lc = (LinphoneCore *)userdata;
ms_filter_remove_notify_callback(lc->previewstream->local_jpegwriter, snapshot_taken, lc);
linphone_core_enable_video_preview(lc, FALSE);
}
}
int linphone_core_take_preview_snapshot(LinphoneCore *lc, const char *file) {
LinphoneCall *call = linphone_core_get_current_call(lc);
if (!file) return -1;
#ifdef VIDEO_ENABLED
if (call) {
return linphone_call_take_preview_snapshot(call, file);
} else {
if (lc->previewstream == NULL) {
MSVideoSize vsize=lc->video_conf.preview_vsize.width != 0 ? lc->video_conf.preview_vsize : lc->video_conf.vsize;
lc->previewstream = video_preview_new(lc->factory);
video_preview_set_size(lc->previewstream, vsize);
video_preview_set_display_filter_name(lc->previewstream, NULL);
video_preview_set_fps(lc->previewstream,linphone_core_get_preferred_framerate(lc));
video_preview_start(lc->previewstream, lc->video_conf.device);
lc->previewstream->ms.factory = lc->factory;
linphone_core_enable_video_preview(lc, TRUE);
ms_filter_add_notify_callback(lc->previewstream->local_jpegwriter, snapshot_taken, lc, TRUE);
ms_filter_call_method(lc->previewstream->local_jpegwriter, MS_JPEG_WRITER_TAKE_SNAPSHOT, (void*)file);
} else {
ms_filter_call_method(lc->previewstream->local_jpegwriter, MS_JPEG_WRITER_TAKE_SNAPSHOT, (void*)file);
}
return 0;
}
#endif
return -1;
}
static void toggle_video_preview(LinphoneCore *lc, bool_t val){
#ifdef VIDEO_ENABLED

9
coreapi/linphonecore.h
View file

@ -3609,6 +3609,15 @@ LINPHONE_PUBLIC void linphone_core_set_preferred_framerate(LinphoneCore *lc, flo
**/
LINPHONE_PUBLIC float linphone_core_get_preferred_framerate(LinphoneCore *lc);
LINPHONE_PUBLIC void linphone_core_enable_video_preview(LinphoneCore *lc, bool_t val);
/**
* Take a photo of currently from capture device and write it into a jpeg file.
* Note that the snapshot is asynchronous, an application shall not assume that the file is created when the function returns.
* @ingroup misc
* @param lc the linphone core
* @param file a path where to write the jpeg content.
* @return 0 if successfull, -1 otherwise (typically if jpeg format is not supported).
**/
LINPHONE_PUBLIC int linphone_core_take_preview_snapshot(LinphoneCore *lc, const char *file);
LINPHONE_PUBLIC bool_t linphone_core_video_preview_enabled(const LinphoneCore *lc);
LINPHONE_PUBLIC void linphone_core_enable_self_view(LinphoneCore *lc, bool_t val);

2
mediastreamer2

@ -1 +1 @@
Subproject commit 64c7fbaa469825f81baf1afe5c3e569483b987c2
Subproject commit 6921d8748f9f1002f7da24922569a5e2b120376d